| Characterization: Bayflex 257 is a fully compounded polyether-based polyurethane system consisting of two liquid components which can be water-blown. Properties / Applications: Bayflex 257 is a fully compounded polyether-based polyurethane system consisting of two liquid components which can be water-blown. Component A is a modified diphenylmethane diisocyanate (MDI) prepolymer, and Component B is a polyether polyol system. The Bayflex 257 system is used in the outsole system of dual-density polyether shoe soles. Finished outsoles can be molded translucent to opaque. The combination of durability, styling latitude and ease of processing makes the Bayflex 257 system a prime soling material for dual-density soles for casual, walking and light-duty shoes. As with any product, use of the Bayflex 257 system in a given application must be tested (including but not limited to field testing) in advance by the user to determine suitability. Information provided by Covestro |
